:root {
  --ink: #111318;
  --paper: #f2f3f5;
  --white: #ffffff;
  --blue: #214cff;
  --blue-dark: #1433b8;
  --yellow: #f3ed39;
  --orange: #ff593d;
  --line: #aeb3bd;
  --muted: #555b66;
  --max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Atkinson Hyperlegible", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.48;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

a:focus-visible {
  outline: 4px solid var(--orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 100;
  background: var(--ink);
  color: var(--white);
  padding: .75rem 1rem;
}

.skip-link:focus { top: 1rem; }

.wrap {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(242, 243, 245, .96);
  border-bottom: 2px solid var(--ink);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.identity {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  text-decoration: none;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -.02em;
}

.identity small {
  color: var(--muted);
  font-family: "Atkinson Hyperlegible", Arial, sans-serif;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .09em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.45rem;
  font-size: .86rem;
  font-weight: 700;
}

.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--blue); }

.nav-cta {
  background: var(--ink);
  color: var(--white);
  padding: .62rem .9rem;
}

.nav-cta:hover { background: var(--blue); color: var(--white) !important; }

.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  align-items: stretch;
  border-bottom: 2px solid var(--ink);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 74px);
}

.hero-side {
  position: relative;
  padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 5vw, 5.5rem) 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.hero-side:first-child {
  background: var(--blue);
  color: var(--white);
}

.hero-side:last-child {
  background: var(--yellow);
  border-left: 2px solid var(--ink);
}

.hero-label,
.utility,
.proof-kind,
.article-meta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hero-label::before {
  content: "";
  width: .72rem;
  height: .72rem;
  background: currentColor;
  border-radius: 50%;
}

.hero h1 {
  margin: 4rem 0 3rem;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(4.8rem, 9.7vw, 10.5rem);
  line-height: .76;
  letter-spacing: -.065em;
  text-transform: uppercase;
}

.hero h1 span { display: block; }

.hero-side:first-child h1 span:last-child {
  color: var(--yellow);
  transform: translateX(7%);
}

.hero-side:last-child h1 span:last-child {
  color: var(--blue);
  transform: translateX(-4%);
}

.hero-copy {
  max-width: 33rem;
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
  line-height: 1.42;
}

.hero-side:first-child .hero-copy { color: #e8ecff; }

.hero-rail {
  position: absolute;
  top: 0;
  bottom: 0;
  right: -2px;
  width: 4px;
  background: var(--orange);
  z-index: 2;
}

.hero-rail::after {
  content: "FIX BOTH";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-90deg);
  background: var(--orange);
  color: var(--ink);
  padding: .45rem .8rem;
  white-space: nowrap;
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .14em;
}

.hero-action {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  background: var(--ink);
  border: 2px solid var(--ink);
  color: var(--white);
  padding: .72rem 1rem;
  font-weight: 800;
  text-decoration: none;
}

.button:hover { background: var(--blue); border-color: var(--blue); }

.button-light {
  background: var(--white);
  color: var(--ink);
}

.button-outline {
  background: transparent;
  color: var(--ink);
}

.button-outline:hover { color: var(--white); }

.evidence-bar {
  background: var(--ink);
  color: var(--white);
  padding: 1rem 0;
  border-bottom: 2px solid var(--ink);
}

.evidence-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.evidence-list span { display: flex; align-items: center; gap: .55rem; }
.evidence-list span::before { content: "■"; color: var(--yellow); font-size: .65rem; }

.section {
  padding: clamp(5rem, 8vw, 8rem) 0;
  border-bottom: 2px solid var(--ink);
}

.section-title {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-title h2,
.page-hero h1,
.article-hero h1 {
  margin: 0;
  max-width: 12ch;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(3rem, 6vw, 6.4rem);
  line-height: .88;
  letter-spacing: -.055em;
  text-transform: uppercase;
}

.section-title p {
  max-width: 42rem;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
}

.utility { color: var(--blue); }

.lanes {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border: 2px solid var(--ink);
  background: var(--ink);
  gap: 2px;
}

.lane {
  min-height: 390px;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  background: var(--white);
  display: flex;
  flex-direction: column;
}

.lane:nth-child(2) { background: var(--yellow); }
.lane:nth-child(3) { background: var(--blue); color: var(--white); }

.lane h3 {
  margin: 3.5rem 0 1rem;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(2.1rem, 3.7vw, 3.9rem);
  line-height: .92;
  letter-spacing: -.04em;
  text-transform: uppercase;
}

.lane p { margin-bottom: 1rem; }
.lane ul { padding-left: 1.1rem; margin: auto 0 0; }
.lane li { margin-top: .45rem; }

.proof-ledger { border-top: 2px solid var(--ink); }

.proof-row {
  display: grid;
  grid-template-columns: .48fr .9fr 1.5fr .55fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--ink);
}

.proof-kind { color: var(--blue); }

.proof-row h3 {
  margin: 0;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: 1.8rem;
  line-height: 1;
  text-transform: uppercase;
}

.proof-row p { margin: 0; color: var(--muted); }
.proof-row a { font-weight: 800; text-underline-offset: .25rem; }

.proof-note {
  margin-top: 1.5rem;
  max-width: 56rem;
  color: var(--muted);
  font-size: .88rem;
}

.offers {
  background: var(--white);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.offer {
  border: 2px solid var(--ink);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  min-height: 310px;
  display: flex;
  flex-direction: column;
}

.offer:nth-child(2) { background: var(--paper); }
.offer:nth-child(3) { background: var(--ink); color: var(--white); }
.offer:nth-child(4) { background: var(--yellow); }

.offer h3 {
  margin: 2.8rem 0 .75rem;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  line-height: .95;
  text-transform: uppercase;
}

.offer p { max-width: 37rem; }
.offer-footer { margin-top: auto; padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; font-weight: 800; }

.method {
  background: var(--blue);
  color: var(--white);
}

.method .utility { color: var(--yellow); }

.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 7vw, 7rem);
}

.method-statement {
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: .9;
  letter-spacing: -.045em;
  text-transform: uppercase;
}

.method-copy { font-size: 1.18rem; }
.method-copy p { max-width: 39rem; }

.terms {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .8rem 2rem;
  margin-top: 2rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(255,255,255,.5);
  font-size: .9rem;
}

.insight-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--ink);
  background: var(--ink);
  gap: 2px;
}

.insight {
  background: var(--paper);
  min-height: 340px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.insight:hover { background: var(--yellow); }

.insight h3 {
  margin: auto 0 .8rem;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: 2rem;
  line-height: 1;
  text-transform: uppercase;
}

.insight p { color: var(--muted); font-size: .94rem; margin-bottom: 0; }

.contact {
  background: var(--yellow);
  padding: clamp(5rem, 10vw, 10rem) 0;
}

.contact h2 {
  margin: 0 0 2rem;
  max-width: 10ch;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(4.5rem, 10vw, 10rem);
  line-height: .78;
  letter-spacing: -.06em;
  text-transform: uppercase;
}

.contact p { max-width: 43rem; font-size: 1.3rem; }

.site-footer {
  background: var(--ink);
  color: var(--white);
  padding: 2rem 0;
  font-size: .82rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-grid nav { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Supporting pages */
.page-hero,
.article-hero {
  padding: clamp(4rem, 9vw, 8rem) 0 3.5rem;
  border-bottom: 2px solid var(--ink);
}

.page-hero--blue { background: var(--blue); color: var(--white); }
.page-hero--yellow { background: var(--yellow); }
.page-hero--ink { background: var(--ink); color: var(--white); }
.page-hero--blue .utility,
.page-hero--ink .utility { color: var(--yellow); }

.page-hero h1,
.article-hero h1 { max-width: 15ch; margin: 1.25rem 0 2rem; }

.page-hero p,
.article-deck { max-width: 48rem; font-size: 1.3rem; }

.page-actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.page-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-bottom: 2px solid var(--ink);
}

.split-panel {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(2rem, 8vw, 8rem);
  align-items: start;
}

.split-panel h2 {
  margin: .8rem 0 0;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(2.7rem, 5vw, 5.4rem);
  line-height: .9;
  letter-spacing: -.045em;
  text-transform: uppercase;
}

.split-copy { max-width: 47rem; font-size: 1.12rem; }
.split-copy > p:first-child { font-size: 1.3rem; }

.feature-list { border-top: 2px solid var(--ink); margin-top: 2.5rem; }
.feature-row {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 2rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--ink);
}
.feature-row strong { font-family: "Archivo Narrow", Arial Narrow, sans-serif; font-size: 1.35rem; text-transform: uppercase; }
.feature-row span { color: var(--muted); }

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--ink);
  background: var(--ink);
  gap: 2px;
}
.metric { background: var(--white); padding: 1.5rem; min-height: 175px; }
.metric strong { display: block; margin-top: 2rem; font-family: "Archivo Narrow", Arial Narrow, sans-serif; font-size: 2.5rem; line-height: .95; text-transform: uppercase; }
.metric span:last-child { display: block; margin-top: .65rem; color: var(--muted); }

.process-list { border-top: 2px solid var(--ink); }
.process-step {
  display: grid;
  grid-template-columns: 80px .7fr 1.3fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--ink);
}
.process-step b { color: var(--blue); font-size: 1rem; }
.process-step h3 { margin: 0; font-family: "Archivo Narrow", Arial Narrow, sans-serif; font-size: 2rem; line-height: 1; text-transform: uppercase; }
.process-step p { margin: 0; color: var(--muted); }

.price-block {
  border: 2px solid var(--ink);
  background: var(--yellow);
  padding: clamp(1.5rem, 4vw, 3.5rem);
}
.price-block strong { display: block; font-family: "Archivo Narrow", Arial Narrow, sans-serif; font-size: clamp(4rem, 9vw, 8rem); line-height: .8; text-transform: uppercase; }
.price-block p { max-width: 42rem; font-size: 1.18rem; }

.article-list { border-top: 2px solid var(--ink); }
.article-link {
  display: grid;
  grid-template-columns: .5fr 1.35fr .45fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
  align-items: start;
}
.article-link:hover h2 { color: var(--blue); }
.article-link h2 { margin: 0; font-family: "Archivo Narrow", Arial Narrow, sans-serif; font-size: clamp(2rem, 4vw, 3.6rem); line-height: .94; text-transform: uppercase; }
.article-link p { margin: 0; color: var(--muted); }

.article-meta { color: var(--muted); margin-top: 2rem; }

.content-grid {
  display: grid;
  grid-template-columns: minmax(180px, .4fr) minmax(0, 1fr);
  gap: clamp(2rem, 8vw, 8rem);
  padding: 4rem 0 7rem;
}

.content-nav {
  position: sticky;
  top: 105px;
  align-self: start;
  font-size: .9rem;
}

.content-nav strong { display: block; margin-bottom: .8rem; }
.content-nav a { display: block; margin: .5rem 0; color: var(--muted); }

.prose { max-width: 760px; }
.prose > p:first-child { font-size: 1.25rem; }

.prose h2 {
  margin: 4rem 0 1.2rem;
  font-family: "Archivo Narrow", Arial Narrow, sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  line-height: .92;
  text-transform: uppercase;
}

.prose h3 { font-size: 1.4rem; margin: 2.5rem 0 .7rem; }
.prose li { margin-bottom: .5rem; }

.callout {
  margin: 2rem 0;
  border: 2px solid var(--ink);
  background: var(--yellow);
  padding: 1.4rem;
}

.callout strong { display: block; margin-bottom: .45rem; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: .94rem;
}

.prose th,
.prose td { border: 1px solid var(--ink); text-align: left; vertical-align: top; padding: .8rem; }
.prose th { background: var(--white); }

.page-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 2px solid var(--ink);
  background: var(--ink);
  gap: 2px;
}

.page-card { background: var(--white); padding: 2rem; min-height: 280px; }
.page-card h2 { font-family: "Archivo Narrow", Arial Narrow, sans-serif; font-size: 2.5rem; line-height: .95; text-transform: uppercase; }

@media (max-width: 940px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side { min-height: 72vh; }
  .hero-side:last-child { border-left: 0; border-top: 2px solid var(--ink); }
  .hero-rail { top: auto; left: 0; right: 0; bottom: -2px; width: auto; height: 4px; }
  .hero-rail::after { transform: translate(-50%, -50%); }
  .evidence-list { grid-template-columns: 1fr 1fr; }
  .section-title,
  .method-grid,
  .content-grid,
  .split-panel { grid-template-columns: 1fr; }
  .lanes { grid-template-columns: 1fr; }
  .proof-row { grid-template-columns: .6fr 1fr 1.6fr; }
  .proof-row > :last-child { grid-column: 2 / -1; }
  .content-nav { position: static; }
  .process-step { grid-template-columns: 50px 1fr; }
  .process-step p { grid-column: 2; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .wrap { width: min(calc(100% - 1.5rem), var(--max)); }
  .identity small { display: none; }
  .hero-side { padding-inline: 1rem; }
  .hero h1 { font-size: clamp(4.2rem, 24vw, 7rem); }
  .evidence-list,
  .offer-grid,
  .insight-list,
  .page-cards,
  .metric-strip { grid-template-columns: 1fr; }
  .proof-row { grid-template-columns: 1fr; gap: .7rem; }
  .proof-row > :last-child { grid-column: auto; }
  .terms { grid-template-columns: 1fr; }
  .prose table { display: block; overflow-x: auto; }
  .feature-row,
  .article-link { grid-template-columns: 1fr; gap: .6rem; }
  .process-step { grid-template-columns: 1fr; gap: .7rem; }
  .process-step p { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}